Pulse Biosciences, Inc. (PLSE) shares soared 40.91 percent, gaining $5.60, to $19.29 on Friday, possibly after yesterday company released late-breaking clinical data showing successful treatment of atrial fibrillation using its nPulse Cardiac Catheter.The stock was trading at $19.29, compared with a previous close of $13.69. Shares opened at $14.95 and traded between an intraday low of $14.72 and a high of $19.70 on the Nasdaq. Trading volume rose to about 0.65 million shares, well above the average daily ...